Q: 6. A mixture of 2.0 g of Xenon (Xe) gas and 3.0g of Argon (Ar) gas has a total pressure of 40.5 atm.…
A: According to the question, The mass of the Xe gas is given by = 2.0 g The mass of the Ar gas is…
Q: A student is using 10.0 moles of an ideal gas. He measures the temperature as 323K and the pressure…
A:
Q: LTIPLE CHOICE uestion 19 hich statement describes a double replacement reaction? A Ethanol burns in…
A: double displacement reaction is type of chemical reaction in which the reactant ions exchange…
Q: E) -8.71x 10-¹ Q9. How many nodes are there in the wavefunction of a harmonic oscillator with v = 5?…
A: Q9. There are 'x' nodes in the wavefunction of a harmonic oscillator with v = x.
Q: For the reaction 2NO + Cl2 ---> 2NOCl Match the appropriate rate law to each postulated…
A: •Given:- For the reaction 2NO + Cl2 ---> 2NOCl Match the appropriate rate law to each…
Q: 13.36 Indicate whether each statement is true or false: a. When Henry's law is obeyed, the…
A: Solution is made up of two components solute and solvent. The component which is present in major…
Q: important values if needec For the following reaction, 9.08 grams of sodium are allowed to react…
A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: 6. Calculate the mass of O2 produced by the decomposition of KClO3 when 821 mL of O2 is collected…
A: Given: The volume of O2 formed = 821 mL The temperature = 30.0 oC The pressure of the gas = 1.015…
Q: The reducing agent accepts electrons. O True O False
A: Oxidation reduction reaction (Redox reaction) It can be defined as the chemical reaction in which…
Q: QUESTION 1 Examine this Lewis structure for the phosphate ion, PO4³-. How many valence electrons are…
A: Phosphorus is in group VA so it has 5 valence electrons, here total valence electrons around P is…
Q: 2. Deuterated benzene, a specialized solvent used for NMR spectroscopy, can be synthesized from…
A: Hydrogen and deuterium are isotopes having a general difference in their mass number. In some…
Q: 28. C3H8+ O₂ →→ CO₂ + H₂O How many moles of oxygen are required to react with a) 3.0 mol of propane…
A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…
Q: Where do we usually place the label on the flask, test tube, Petri dish plates, and others?
A: General lab equipment in chemistry laboratory are pipettes, scales, centrifuges, Bunsen burners,…
Q: What is the osmotic pressure, in atm, of a 0.199 M solution of MgCl₂ at 37.0 °C? (assume complete…
A: Concentration of MgCl2 = 0.199 M Temperature = 37.0 °C Osmotic pressure (in atm) = ?
Q: Consider the graphs below for the reaction: A " products Concentration of A (M) 0.18 0.16 0.14 0.12…
A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…
Q: What happens with the reactant which donates electrons during a redox reaction? O It is eliminated.…
A: Oxidation reduction reaction (Redox reaction) It can be defined as the chemical reaction in which…
Q: Consider the reaction at 298 K. 4 Al(s) + 30, (g) 2A1,0,(s) Calculate the quantities for AS, A.Surs…
A:
Q: The NMR spectra for compound 1 were acquired in a 7.5 mg / 0.6 mL solution of CDCl3 and are found in…
A: We have find out the name of compound 1 and a full analysis of the NMR spectra for compound 1 with…
Q: A B C D 차 추 취 || 표
A:
Q: 80°F When 26.62 moles of FeS₂ react with 5.44 moles of O₂ in this reaction below, how many moles of…
A:
Q: chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas…
A: Given height of cylinder= h = 56.4 cm
Q: Give the IUPAC name of the following organic compounds 1. 2. 3. 4. CI ОН ОН _OH
A: The International Union of Pure and Applied Chemistry (IUPAC) has established a set of rules for…
Q: Draw the dipeptide Gly-Ala. Which new functional groups is formed?
A:
Q: Q12. Which of the following functions is antisymmetric? A. v=0.5[1s(1)2s(2)+1s(2)2s(1)][a(1) a (2)]…
A:
Q: Part A What is the work associated with decomposition of trinitrotoluene (TNT) upon detonation…
A:
Q: 2. How did each of these factors affect the rate of reaction?
A: Collision theory states that the rate of a chemical reaction is directly proportional to the number…
Q: QUESTION 6 Arrange the elements Ba, Br, and Ga in order of increasing electronegativity. Ba < Ga <…
A: We know the trend of electronegativity in periodic table; As we move from left to right in a…
Q: Aqueous sulfuric acid (H₂SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous…
A:
Q: A weather balloon calibrated at 0.00 °C to have a volume of 12.0 L has what volume at -31.2 °C…
A:
Q: When H₂ reacts with O₂, what is the mass of the product, H₂O?
A: The mass of a product in chemistry is the total mass of all the atoms that make up the product. This…
Q: 14.1 For the following structures, how many 'H NMR signals would you see in a 'H NMR spectrum?
A: NMR spectroscopy is a very important tool for the determination of the structure of the organic…
Q: Provide the structure of the major organic product in the reaction shown below. (CH3)₂CHCI 1. Li…
A: Alkyl halides react with lithium in dry ether to form alkyl lithium. This alkyl lithium reacts with…
Q: What mass of magnesium chloride is produced from the single replacement reaction of 6.45 moles of…
A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…
Q: Draw structures and give reagents for the formation of the carboxylate salt (sodium benzoate) in…
A: When benzoic acid reacts with sodium hydroxide it forms a salt sodium benzoate and water
Q: A tank, containing 1520 liters of liquid, has a brine solution entering at a constant rate of 3…
A: Solutions- The concentration within the tank is monitored and found to be c(t) = e(-t/800)/80 kg/L.…
Q: Draw a resonance structure that places a pi bond in a different position. Include all lone pairs in…
A: We need to draw a resonance structure for the given molecule.
Q: When CO₂(g) dissolves in water to form a solution (carbonated water), the overall process is…
A: The reaction between CO2(g) and water produces carbonated water(H2CO3). The chemical reaction is…
Q: 22. If you perform an acid base titration and place 50 mL of 0.25 mol/L acetic acid into an…
A:
Q: 2. If you have been fortunate enough to camp in the hign sierras or Rockies, you may have discerned…
A: The boiling point of a substance is the temperature at which it changes from a liquid to a gas.…
Q: The rate of a certain reaction was studied at various temperatures. The table shows temperature (T)…
A:
Q: Q8. Calculate the second ionization energy of He. A) 8.71 x 10-21 J B) 8.71 x 10-15 J C) 8.71 x…
A: 8) Second ionization energy : It is the energy required to remove the outermost electron from a uni…
Q: lithium metal react with nitrogen gas to form a solid white powder. The coefficient of the formula…
A: Balanced chemical equation: Balanced chemical equation can be define as the reaction in which number…
Q: When a copper salt dissolves in water, the copper ion becomes hydrated (surrounded by water…
A: -> cupper ion (Cu2+ )has positive charge and Water molecule (H2O) has electronegatively different…
Q: How much would the temperature (in °C) of 263 g of water at 25°C increase if 33.9 kJ of heat were…
A: Amount of heat,Q required to change the temperature of a substance of mass ,m and specific heat…
Q: Q1. Evaluate the linear momentum a free proton described by the wavefunction 5e-kx with k = 9 nm-¹.…
A: Linear momentum is the vector quantity and defined as the product of the mass of an object, m, and…
Q: weight. However, 27. Fluoromethane (CH3F) and methanol (CH3OH) have approximately the same molecular…
A: We have find out the answer. Note -As per our company guidelines we are supposed to answer only…
Q: Draw an equivalent resonance structure that minimizes charge. Include all lone pairs in your…
A:
Q: Calculate the maximum wavelength, Amax, of electromagnetic radiation that could eject electrons from…
A: Work function = 8.76 x 10-19 J Speed = 4.14 X 106 m/s
Q: Use the following information to answer numerical-response questions 2 and 3. Xenon tetrafluoride is…
A: Oxidation number The oxidation number is a representation of the total number of electrons that an…
Q: The oxidation number of an element may differ depending on whether or not it is contained within a…
A: In free state oxidation state of element is zero but when it contained within a molecule its…
From 1000 mg/ml copper stock solution, prepare 50mL of 2, 5, 10, and 15 mg/ml of copper. Please show work. Thank you
Step by step
Solved in 6 steps
- 12. Find the final concentration of BAK as a ratio strength (w/v), when 80 mL of BAK 1:500 (w/v) solution, 1 L of BAK 5,000 PPM (w/v), and 25 mL of BAK 0.6 % (w/v) solution are mixed.0.2 to 1.0 mg/ml: For each concentration, a volume of 1.0 mL should be prepared. How will you prepare these standards using micropipettes and which one would you use? There is a: 0,5-10 microliter pipette; 2-20 microliter pipette 20-200 microliter pipette 100-1000 microliter pipette.What mass of NaC2H3O2 must be used to create 400 mL of a 3.5% (m/v) solution? (please show all your work!!)
- 1) 500 ml of .50 M NaC1 from 2.0 M original stock solution? 2) 2.0 L of .20M MgS04 from .50 M stock solution? 3)Table of chemicals and reagents with their physicochemical properties (name, molecular formula, molecular weight, pKa, melting point, boiling point, etc.) Write a short outline or a flow diagram of the procedure List and safety issues Read and understand the MSDS information for each chemical used in this practical Experimental procedure Please do not scratch the clear sides of the UV cuvettes as this will invalidate your results. Part 1: Preparation of a calibration curve A calibration curve should be constructed using at least five concentrations of the pure paracetamol standard supplied in the range 3-15 ug/mL as follows: Weigh about 150 mg of paracetamol accurately and transfer to a 200 mL volumetric flask. Add 50 mL of o.1 M NaOH and dilute to about 100 mL with deionised water (DI). Shake and make up to volume with DI water. Dilute 10 mL of the resulting solution to 100 mL (volumetric flask) with DI water (= stock solution). Prepare standard solutions containing 3, 6, 9, 12 and 15…1. AST ELIN nasal spray contains 0.1% azelastine hydrochloride and 125 mcg/mL of benzalkonium chloride as a preservative. A container is capable of delivering 200 metered sprays of 0.137 mL each. Calculate the quantity, in micrograms, of azelastine hydrochloride in each spray.Calculate the ratio strength of benzalkonium chloride in the preparation. Answer #1 = ___ mcg Answer #2 = ___ Please show solution. thank you.
- Activity 4: Aromatic Water Peppermint water (Simple solution method) Formula Peppermint oil ___ Purified water ___ To make 60ml Materials: Erlenmeyer flask, filter paper Procedure: (Provide the procedure)Activity 4: Aromatic Water Peppermint water (Simple solution method) Formula Peppermint oil ___ Purified water ___ To make 60ml Materials: Erlenmeyer flask, filter paper Procedure:SHOW FULL SOLUTION